According to the publishers, the lounger — designed by Charlotte Perriand and Swiss-French architect Le Corbusier — has become the “f*ck-prop” of the porn industry ... possibly because you can recline in a myriad of ways. Hey, it was specifically “designed for relaxation.”

“Our main interest [in the book] was to showcase an interesting and unseen trajectory of a piece of design,” authors Augustine and Josephine Rockebrune told Hyperallergic.

Why the title? Le Corbusier, who was kind of a d*ck, rifled through Perriand’s early drawings during an interview and sniffed, “We don’t embroider cushions here.”